package com.mu.design.impl;

/**
 * @Classname CalcuationAreaExt
 * @Description TODO
 * @Date 2023/2/15 14:07
 * @Created by JiangMuyun
 */
public class CalcuationAreaExt extends CalcuationArea{
    private final static double π = 3.1415926535D;

    public double circular(double r) {
        return π*r*r;
    }
}
